68ffaf55c4e37a19ff4669eff869d75b13ab55c1
1 /******************************************************************************
2 *
3 * Program: SNMP plugin for Nagios
4 * License: GPL
5 *
6 * License Information:
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *./plugins/check_snmp 127.0.0.1 -c public -o .1.3.6.1.4.1.2021.9.1.2.1
23 *
24 *****************************************************************************/
26 const char *progname = "check_snmp";
27 const char *revision = "$Revision$";
28 const char *copyright = "1999-2003";
29 const char *email = "nagiosplug-devel@lists.sourceforge.net";
31 #define DEFAULT_COMMUNITY "public"
32 #define DEFAULT_PORT "161"
33 #define DEFAULT_MIBLIST "ALL"
34 #define DEFAULT_PROTOCOL "1"
35 #define DEFAULT_AUTH_PROTOCOL "MD5"
36 #define DEFAULT_DELIMITER "="
37 #define DEFAULT_OUTPUT_DELIMITER " "
39 #include "common.h"
40 #include "utils.h"
41 #include "popen.h"
43 void
44 print_usage (void)
45 {
46 printf (_("\
47 Usage: %s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n\
48 [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\
49 [-l label] [-u units] [-p port-number] [-d delimiter]\n\
50 [-D output-delimiter] [-m miblist] [-P snmp version]\n\
51 [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\
52 [-X privpasswd]\n"), progname);
53 printf (_(UT_HLP_VRS), progname, progname);
54 }
56 void
57 print_help (void)
58 {
59 print_revision (progname, revision);
61 printf (_(COPYRIGHT), copyright, email);
63 printf (_("\
64 Check status of remote machines and obtain sustem information via SNMP\n\n"));
66 print_usage ();
68 printf (_(UT_HELP_VRSN));
70 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
72 /* SNMP and Authentication Protocol */
73 printf (_("\
74 -P, --protocol=[1|3]\n\
75 SNMP protocol version\n\
76 -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\
77 SNMPv3 securityLevel\n\
78 -a, --authproto=[MD5|SHA]\n\
79 SNMPv3 auth proto\n"));
81 /* Authentication Tokens*/
82 printf (_("\
83 -C, --community=STRING\n\
84 Optional community string for SNMP communication\n\
85 (default is \"%s\")\n\
86 -U, --secname=USERNAME\n\
87 SNMPv3 username\n\
88 -A, --authpassword=PASSWORD\n\
89 SNMPv3 authentication password\n\
90 -X, --privpasswd=PASSWORD\n\
91 SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY);
93 /* OID Stuff */
94 printf (_("\
95 -o, --oid=OID(s)\n\
96 Object identifier(s) whose value you wish to query\n\
97 -m, --miblist=STRING\n\
98 List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\
99 Delimiter to use when parsing returned data. Default is \"%s\"\n\
100 Any data on the right hand side of the delimiter is considered\n\
101 to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER);
103 /* Tests Against Integers */
104 printf (_("\
105 -w, --warning=INTEGER_RANGE(s)\n\
106 Range(s) which will not result in a WARNING status\n\
107 -c, --critical=INTEGER_RANGE(s)\n\
108 Range(s) which will not result in a CRITICAL status\n"));
110 /* Tests Against Strings */
111 printf (_("\
112 -s, --string=STRING\n\
113 Return OK state (for that OID) if STRING is an exact match\n\
114 -r, --ereg=REGEX\n\
115 Return OK state (for that OID) if extended regular expression REGEX matches\n\
116 -R, --eregi=REGEX\n\
117 Return OK state (for that OID) if case-insensitive extended REGEX matches\n\
118 -l, --label=STRING\n\
119 Prefix label for output from plugin (default -s 'SNMP')\n"));
121 /* Output Formatting */
122 printf (_("\
123 -u, --units=STRING\n\
124 Units label(s) for output data (e.g., 'sec.').\n\
125 -D, --output-delimiter=STRING\n\
126 Separates output on multiple OID requests\n"));
128 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
130 printf (_(UT_VERBOSE));
132 printf (_("\n\
133 - This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\
134 If you don't have the package installed, you will need to download it from\n\
135 http://net-snmp.sourceforge.net before you can use this plugin.\n"));
137 printf (_("\
138 - Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\
139 internal spaces must be quoted) [max 8 OIDs]\n"));
141 printf (_("\
142 - Ranges are inclusive and are indicated with colons. When specified as\n\
143 'min:max' a STATE_OK will be returned if the result is within the indicated\n\
144 range or is equal to the upper or lower bound. A non-OK state will be\n\
145 returned if the result is outside the specified range.\n"));
147 printf (_("\
148 - If specified in the order 'max:min' a non-OK state will be returned if the\n\
149 result is within the (inclusive) range.\n"));
151 printf (_("\
152 - Upper or lower bounds may be omitted to skip checking the respective limit.\n\
153 - Bare integers are interpreted as upper limits.\n\
154 - When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\
155 - Note that only one string and one regex may be checked at present\n\
156 - All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\
157 returned from the SNMP query is an unsigned integer.\n"));
159 printf (_(UT_SUPPORT));
160 }
161 \f
163 #define mark(a) ((a)!=0?"*":"")
165 #define CHECK_UNDEF 0
166 #define CRIT_PRESENT 1
167 #define CRIT_STRING 2
168 #define CRIT_REGEX 4
169 #define CRIT_GT 8
170 #define CRIT_LT 16
171 #define CRIT_GE 32
172 #define CRIT_LE 64
173 #define CRIT_EQ 128
174 #define CRIT_NE 256
175 #define CRIT_RANGE 512
176 #define WARN_PRESENT 1024
177 #define WARN_STRING 2048
178 #define WARN_REGEX 4096
179 #define WARN_GT 8192
180 #define WARN_LT 16384
181 #define WARN_GE 32768
182 #define WARN_LE 65536
183 #define WARN_EQ 131072
184 #define WARN_NE 262144
185 #define WARN_RANGE 524288
187 #define MAX_OIDS 8
188 #define MAX_DELIM_LENGTH 8
190 void print_usage (void);
191 void print_help (void);
192 int process_arguments (int, char **);
193 int validate_arguments (void);
194 int check_num (int);
195 char *clarify_message (char *);
196 int lu_getll (unsigned long *, char *);
197 int lu_getul (unsigned long *, char *);
198 char *thisarg (char *str);
199 char *nextarg (char *str);
201 #ifdef HAVE_REGEX_H
202 #include <regex.h>
203 char regex_expect[MAX_INPUT_BUFFER] = "";
204 regex_t preg;
205 regmatch_t pmatch[10];
206 char timestamp[10] = "";
207 char errbuf[MAX_INPUT_BUFFER];
208 int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
209 int eflags = 0;
210 int errcode, excode;
211 #endif
213 char *server_address = NULL;
214 char *community = DEFAULT_COMMUNITY;
215 char *authpriv = NULL;
216 char *proto = NULL;
217 char *seclevel = NULL;
218 char *secname = NULL;
219 char *authproto = NULL;
220 char *authpasswd = NULL;
221 char *privpasswd = NULL;
222 char *oid = "";
223 char *label = "SNMP";
224 char *units = "";
225 char *port = DEFAULT_PORT;
226 char string_value[MAX_INPUT_BUFFER] = "";
227 char **labels = NULL;
228 char **unitv = NULL;
229 int nlabels = 0;
230 int labels_size = 8;
231 int nunits = 0;
232 int unitv_size = 8;
233 int verbose = FALSE;
234 unsigned long lower_warn_lim[MAX_OIDS];
235 unsigned long upper_warn_lim[MAX_OIDS];
236 unsigned long lower_crit_lim[MAX_OIDS];
237 unsigned long upper_crit_lim[MAX_OIDS];
238 unsigned long response_value[MAX_OIDS];
239 int check_warning_value = FALSE;
240 int check_critical_value = FALSE;
241 int eval_method[MAX_OIDS];
242 char *delimiter = DEFAULT_DELIMITER;
243 char *output_delim = DEFAULT_OUTPUT_DELIMITER;
244 char *miblist = DEFAULT_MIBLIST;
247 int
248 main (int argc, char **argv)
249 {
250 int i = 0;
251 int iresult = STATE_UNKNOWN;
252 int found = 0;
253 int result = STATE_DEPENDENT;
254 char input_buffer[MAX_INPUT_BUFFER];
255 char *command_line = NULL;
256 char *response = NULL;
257 char *outbuff = "";
258 char *output = "";
259 char *ptr = NULL;
260 char *p2 = NULL;
261 char *show = NULL;
263 labels = malloc (labels_size);
264 unitv = malloc (unitv_size);
265 for (i = 0; i < MAX_OIDS; i++)
266 eval_method[i] = CHECK_UNDEF;
267 i = 0;
269 if (process_arguments (argc, argv) == ERROR)
270 usage (_("Incorrect arguments supplied\n"));
272 /* create the command line to execute */
273 asprintf (&command_line, "%s -t 1 -r %d -m %s -v %s %s %s:%s %s",
274 PATH_TO_SNMPGET, timeout_interval - 1, miblist, proto,
275 authpriv, server_address, port, oid);
276 if (verbose)
277 printf ("%s\n", command_line);
279 /* run the command */
280 child_process = spopen (command_line);
281 if (child_process == NULL) {
282 printf (_("Could not open pipe: %s\n"), command_line);
283 exit (STATE_UNKNOWN);
284 }
286 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
287 if (child_stderr == NULL) {
288 printf (_("Could not open stderr for %s\n"), command_line);
289 }
291 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process))
292 asprintf (&output, "%s%s", output, input_buffer);
294 if (verbose)
295 printf ("%s\n", output);
297 ptr = output;
299 while (ptr) {
301 ptr = strstr (ptr, delimiter);
302 if (ptr == NULL)
303 break;
305 ptr += strlen (delimiter);
306 ptr += strspn (ptr, " ");
308 found++;
310 if (ptr[0] == '"') {
311 ptr++;
312 response = strpcpy (response, ptr, "\"");
313 ptr = strpbrk (ptr, "\"");
314 ptr += strspn (ptr, "\"\n");
315 }
316 else {
317 response = strpcpy (response, ptr, "\n");
318 ptr = strpbrk (ptr, "\n");
319 ptr += strspn (ptr, "\n");
320 while
321 (strstr (ptr, delimiter) &&
322 strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) {
323 response = strpcat (response, ptr, "\n");
324 ptr = strpbrk (ptr, "\n");
325 }
326 if (ptr && strstr (ptr, delimiter) == NULL) {
327 response = strscat (response, ptr);
328 ptr = NULL;
329 }
330 }
332 /* We strip out the datatype indicator for PHBs */
333 if (strstr (response, "Gauge: "))
334 show = strstr (response, "Gauge: ") + 7;
335 else if (strstr (response, "Gauge32: "))
336 show = strstr (response, "Gauge32: ") + 9;
337 else if (strstr (response, "Counter32: "))
338 show = strstr (response, "Counter32: ") + 11;
339 else if (strstr (response, "INTEGER: "))
340 show = strstr (response, "INTEGER: ") + 9;
341 else if (strstr (response, "STRING: "))
342 show = strstr (response, "STRING: ") + 8;
343 else
344 show = response;
345 p2 = show;
347 iresult = STATE_DEPENDENT;
349 /* Process this block for integer comparisons */
350 if (eval_method[i] & CRIT_GT ||
351 eval_method[i] & CRIT_LT ||
352 eval_method[i] & CRIT_GE ||
353 eval_method[i] & CRIT_LE ||
354 eval_method[i] & CRIT_EQ ||
355 eval_method[i] & CRIT_NE ||
356 eval_method[i] & WARN_GT ||
357 eval_method[i] & WARN_LT ||
358 eval_method[i] & WARN_GE ||
359 eval_method[i] & WARN_LE ||
360 eval_method[i] & WARN_EQ ||
361 eval_method[i] & WARN_NE) {
362 p2 = strpbrk (p2, "0123456789");
363 if (p2 == NULL)
364 terminate (STATE_UNKNOWN,"No valid data returned");
365 response_value[i] = strtoul (p2, NULL, 10);
366 iresult = check_num (i);
367 asprintf (&show, "%lu", response_value[i]);
368 }
370 /* Process this block for string matching */
371 else if (eval_method[i] & CRIT_STRING) {
372 if (strcmp (response, string_value))
373 iresult = STATE_CRITICAL;
374 else
375 iresult = STATE_OK;
376 }
378 /* Process this block for regex matching */
379 else if (eval_method[i] & CRIT_REGEX) {
380 #ifdef HAVE_REGEX_H
381 excode = regexec (&preg, response, 10, pmatch, eflags);
382 if (excode == 0) {
383 iresult = STATE_OK;
384 }
385 else if (excode != REG_NOMATCH) {
386 regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
387 printf (_("Execute Error: %s\n"), errbuf);
388 exit (STATE_CRITICAL);
389 }
390 else {
391 iresult = STATE_CRITICAL;
392 }
393 #else
394 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
395 exit (STATE_UNKNOWN);
396 #endif
397 }
399 /* Process this block for existence-nonexistence checks */
400 else {
401 if (eval_method[i] & CRIT_PRESENT)
402 iresult = STATE_CRITICAL;
403 else if (eval_method[i] & WARN_PRESENT)
404 iresult = STATE_WARNING;
405 else if (response && iresult == STATE_DEPENDENT)
406 iresult = STATE_OK;
407 }
409 /* Result is the worst outcome of all the OIDs tested */
410 result = max_state (result, iresult);
412 /* Prepend a label for this OID if there is one */
413 if (nlabels > 1 && i < nlabels && labels[i] != NULL)
414 asprintf (&outbuff, "%s%s%s %s%s%s", outbuff,
415 (i == 0) ? " " : output_delim,
416 labels[i], mark (iresult), show, mark (iresult));
417 else
418 asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim,
419 mark (iresult), show, mark (iresult));
421 /* Append a unit string for this OID if there is one */
422 if (nunits > 0 && i < nunits && unitv[i] != NULL)
423 asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
425 i++;
427 } /* end while (ptr) */
429 if (found == 0)
430 terminate
431 (STATE_UNKNOWN,
432 _("%s problem - No data recieved from host\nCMD: %s\n"),
433 label, command_line);
435 /* WARNING if output found on stderr */
436 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
437 result = max_state (result, STATE_WARNING);
439 /* close stderr */
440 (void) fclose (child_stderr);
442 /* close the pipe */
443 if (spclose (child_process))
444 result = max_state (result, STATE_WARNING);
446 /* if (nunits == 1 || i == 1) */
447 /* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */
448 /* else */
449 printf ("%s %s -%s\n", label, state_text (result), outbuff);
451 return result;
452 }
454 /* process command-line arguments */
455 int
456 process_arguments (int argc, char **argv)
457 {
458 char *ptr;
459 int c = 1;
460 int j = 0, jj = 0, ii = 0;
462 int option_index = 0;
463 static struct option long_options[] = {
464 STD_LONG_OPTS,
465 {"community", required_argument, 0, 'C'},
466 {"oid", required_argument, 0, 'o'},
467 {"object", required_argument, 0, 'o'},
468 {"delimiter", required_argument, 0, 'd'},
469 {"output-delimiter", required_argument, 0, 'D'},
470 {"string", required_argument, 0, 's'},
471 {"regex", required_argument, 0, 'r'},
472 {"ereg", required_argument, 0, 'r'},
473 {"eregi", required_argument, 0, 'R'},
474 {"label", required_argument, 0, 'l'},
475 {"units", required_argument, 0, 'u'},
476 {"port", required_argument, 0, 'p'},
477 {"miblist", required_argument, 0, 'm'},
478 {"protocol", required_argument, 0, 'P'},
479 {"seclevel", required_argument, 0, 'L'},
480 {"secname", required_argument, 0, 'U'},
481 {"authproto", required_argument, 0, 'a'},
482 {"authpasswd", required_argument, 0, 'A'},
483 {"privpasswd", required_argument, 0, 'X'},
484 {0, 0, 0, 0}
485 };
487 if (argc < 2)
488 return ERROR;
490 /* reverse compatibility for very old non-POSIX usage forms */
491 for (c = 1; c < argc; c++) {
492 if (strcmp ("-to", argv[c]) == 0)
493 strcpy (argv[c], "-t");
494 if (strcmp ("-wv", argv[c]) == 0)
495 strcpy (argv[c], "-w");
496 if (strcmp ("-cv", argv[c]) == 0)
497 strcpy (argv[c], "-c");
498 }
500 while (1) {
501 c = getopt_long (argc, argv, "hvVt:c:w:H:C:o:e:E:d:D:s:R:r:l:u:p:m:P:L:U:a:A:X:",
502 long_options, &option_index);
504 if (c == -1 || c == EOF)
505 break;
507 switch (c) {
508 case '?': /* usage */
509 usage3 ("Unknown argument", optopt);
510 case 'h': /* help */
511 print_help ();
512 exit (STATE_OK);
513 case 'V': /* version */
514 print_revision (progname, revision);
515 exit (STATE_OK);
516 case 'v': /* verbose */
517 verbose = TRUE;
518 break;
520 /* Connection info */
521 case 'C': /* group or community */
522 community = strscpy (community, optarg);
523 break;
524 case 'H': /* Host or server */
525 server_address = strscpy (server_address, optarg);
526 break;
527 case 'p': /* TCP port number */
528 port = strscpy(port, optarg);
529 break;
530 case 'm': /* List of MIBS */
531 miblist = strscpy(miblist, optarg);
532 break;
533 case 'P': /* SNMP protocol version */
534 proto = strscpy(proto, optarg);
535 break;
536 case 'L': /* security level */
537 seclevel = strscpy(seclevel,optarg);
538 break;
539 case 'U': /* security username */
540 secname = strscpy(secname, optarg);
541 break;
542 case 'a': /* auth protocol */
543 asprintf (&authproto, optarg);
544 break;
545 case 'A': /* auth passwd */
546 authpasswd = strscpy(authpasswd, optarg);
547 break;
548 case 'X': /* priv passwd */
549 privpasswd = strscpy(privpasswd, optarg);
550 break;
551 case 't': /* timeout period */
552 if (!is_integer (optarg))
553 usage2 (_("Timeout Interval must be an integer"), optarg);
554 timeout_interval = atoi (optarg);
555 break;
557 /* Test parameters */
558 case 'c': /* critical time threshold */
559 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
560 printf (_("Invalid critical threshold: %s\n"), optarg);
561 print_usage ();
562 exit (STATE_UNKNOWN);
563 }
564 for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) {
565 if (lu_getll (&lower_crit_lim[jj], ptr) == 1)
566 eval_method[jj] |= CRIT_LT;
567 if (lu_getul (&upper_crit_lim[jj], ptr) == 1)
568 eval_method[jj] |= CRIT_GT;
569 (ptr = index (ptr, ',')) ? ptr++ : ptr;
570 }
571 break;
572 case 'w': /* warning time threshold */
573 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
574 printf (_("Invalid warning threshold: %s\n"), optarg);
575 print_usage ();
576 exit (STATE_UNKNOWN);
577 }
578 for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) {
579 if (lu_getll (&lower_warn_lim[ii], ptr) == 1)
580 eval_method[ii] |= WARN_LT;
581 if (lu_getul (&upper_warn_lim[ii], ptr) == 1)
582 eval_method[ii] |= WARN_GT;
583 (ptr = index (ptr, ',')) ? ptr++ : ptr;
584 }
585 break;
586 case 'o': /* object identifier */
587 case 'e': /* PRELIMINARY - may change */
588 case 'E': /* PRELIMINARY - may change */
589 for (ptr = optarg; (ptr = index (ptr, ',')); ptr++)
590 ptr[0] = ' '; /* relpace comma with space */
591 for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++)
592 j++; /* count OIDs */
593 asprintf (&oid, "%s %s", (oid?oid:""), optarg);
594 if (c == 'E' || c == 'e') {
595 jj++;
596 ii++;
597 }
598 if (c == 'E')
599 eval_method[j+1] |= WARN_PRESENT;
600 else if (c == 'e')
601 eval_method[j+1] |= CRIT_PRESENT;
602 break;
603 case 's': /* string or substring */
604 strncpy (string_value, optarg, sizeof (string_value) - 1);
605 string_value[sizeof (string_value) - 1] = 0;
606 eval_method[jj++] = CRIT_STRING;
607 ii++;
608 break;
609 case 'R': /* regex */
610 #ifdef HAVE_REGEX_H
611 cflags = REG_ICASE;
612 #endif
613 case 'r': /* regex */
614 #ifdef HAVE_REGEX_H
615 cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
616 strncpy (regex_expect, optarg, sizeof (regex_expect) - 1);
617 regex_expect[sizeof (regex_expect) - 1] = 0;
618 errcode = regcomp (&preg, regex_expect, cflags);
619 if (errcode != 0) {
620 regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
621 printf (_("Could Not Compile Regular Expression"));
622 return ERROR;
623 }
624 eval_method[jj++] = CRIT_REGEX;
625 ii++;
626 #else
627 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
628 exit (STATE_UNKNOWN);
629 #endif
630 break;
632 /* Format */
633 case 'd': /* delimiter */
634 delimiter = strscpy (delimiter, optarg);
635 break;
636 case 'D': /* output-delimiter */
637 output_delim = strscpy (output_delim, optarg);
638 break;
639 case 'l': /* label */
640 label = optarg;
641 nlabels++;
642 if (nlabels >= labels_size) {
643 labels_size += 8;
644 labels = realloc (labels, labels_size);
645 if (labels == NULL)
646 terminate (STATE_UNKNOWN,
647 _("Could not realloc() labels[%d]"), nlabels);
648 }
649 labels[nlabels - 1] = optarg;
650 ptr = thisarg (optarg);
651 if (strstr (ptr, "'") == ptr)
652 labels[nlabels - 1] = ptr + 1;
653 else
654 labels[nlabels - 1] = ptr;
655 while (ptr && (ptr = nextarg (ptr))) {
656 if (nlabels >= labels_size) {
657 labels_size += 8;
658 labels = realloc (labels, labels_size);
659 if (labels == NULL)
660 terminate (STATE_UNKNOWN, _("Could not realloc() labels\n"));
661 }
662 labels++;
663 ptr = thisarg (ptr);
664 if (strstr (ptr, "'") == ptr)
665 labels[nlabels - 1] = ptr + 1;
666 else
667 labels[nlabels - 1] = ptr;
668 }
669 break;
670 case 'u': /* units */
671 units = optarg;
672 nunits++;
673 if (nunits >= unitv_size) {
674 unitv_size += 8;
675 unitv = realloc (unitv, unitv_size);
676 if (unitv == NULL)
677 terminate (STATE_UNKNOWN,
678 _("Could not realloc() units [%d]\n"), nunits);
679 }
680 unitv[nunits - 1] = optarg;
681 ptr = thisarg (optarg);
682 if (strstr (ptr, "'") == ptr)
683 unitv[nunits - 1] = ptr + 1;
684 else
685 unitv[nunits - 1] = ptr;
686 while (ptr && (ptr = nextarg (ptr))) {
687 if (nunits >= unitv_size) {
688 unitv_size += 8;
689 unitv = realloc (unitv, unitv_size);
690 if (units == NULL)
691 terminate (STATE_UNKNOWN, _("Could not realloc() units\n"));
692 }
693 nunits++;
694 ptr = thisarg (ptr);
695 if (strstr (ptr, "'") == ptr)
696 unitv[nunits - 1] = ptr + 1;
697 else
698 unitv[nunits - 1] = ptr;
699 }
700 break;
702 }
703 }
705 if (server_address == NULL)
706 asprintf (&server_address, argv[optind]);
708 return validate_arguments ();
709 }
711 /******************************************************************************
713 @@-
714 <sect3>
715 <title>validate_arguments</title>
717 <para>&PROTO_validate_arguments;</para>
719 <para>Given a database name, this function returns TRUE if the string
720 is a valid PostgreSQL database name, and returns false if it is
721 not.</para>
723 <para>Valid PostgreSQL database names are less than &NAMEDATALEN;
724 characters long and consist of letters, numbers, and underscores. The
725 first character cannot be a number, however.</para>
727 </sect3>
728 -@@
729 ******************************************************************************/
731 int
732 validate_arguments ()
733 {
735 /* Need better checks to verify seclevel and authproto choices */
737 if (seclevel == NULL)
738 asprintf (&seclevel, "noAuthNoPriv");
741 if (authproto == NULL )
742 asprintf(&authproto, DEFAULT_AUTH_PROTOCOL);
746 if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */
747 asprintf(&proto, DEFAULT_PROTOCOL);
748 asprintf(&authpriv, "%s%s", "-c ", community);
749 }
750 else if ( strcmp (proto, "3") == 0 ) { /* snmpv3 args */
751 asprintf(&proto, "%s", "3");
753 if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) {
754 asprintf(&authpriv, "%s", "-l noAuthNoPriv" );
755 }
756 else if ( strcmp(seclevel, "authNoPriv") == 0 ) {
757 if ( secname == NULL || authpasswd == NULL) {
758 printf (_("Missing secname (%s) or authpassword (%s) ! \n)"),secname, authpasswd );
759 print_usage ();
760 exit (STATE_UNKNOWN);
761 }
762 asprintf(&authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd);
763 }
764 else if ( strcmp(seclevel, "authPriv") == 0 ) {
765 if ( secname == NULL || authpasswd == NULL || privpasswd == NULL ) {
766 printf (("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n"),secname, authpasswd,privpasswd );
767 print_usage ();
768 exit (STATE_UNKNOWN);
769 }
770 asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd);
771 }
774 }
775 else {
776 printf (_("Invalid SNMP version: %s\n"), proto);
777 print_usage ();
778 exit (STATE_UNKNOWN);
779 }
784 return OK;
785 }
786 \f
789 char *
790 clarify_message (char *msg)
791 {
792 int i = 0;
793 int foo;
794 char tmpmsg_c[MAX_INPUT_BUFFER];
795 char *tmpmsg = (char *) &tmpmsg_c;
796 tmpmsg = strcpy (tmpmsg, msg);
797 if (!strncmp (tmpmsg, " Hex:", 5)) {
798 tmpmsg = strtok (tmpmsg, ":");
799 while ((tmpmsg = strtok (NULL, " "))) {
800 foo = strtol (tmpmsg, NULL, 16);
801 /* Translate chars that are not the same value in the printers
802 * character set.
803 */
804 switch (foo) {
805 case 208:
806 {
807 foo = 197;
808 break;
809 }
810 case 216:
811 {
812 foo = 196;
813 break;
814 }
815 }
816 msg[i] = foo;
817 i++;
818 }
819 msg[i] = 0;
820 }
821 return (msg);
822 }
825 int
826 check_num (int i)
827 {
828 int result;
829 result = STATE_OK;
830 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
831 lower_warn_lim[i] > upper_warn_lim[i]) {
832 if (response_value[i] <= lower_warn_lim[i] &&
833 response_value[i] >= upper_warn_lim[i]) {
834 result = STATE_WARNING;
835 }
836 }
837 else if
838 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
839 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
840 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
841 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
842 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
843 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
844 result = STATE_WARNING;
845 }
847 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
848 lower_warn_lim[i] > upper_warn_lim[i]) {
849 if (response_value[i] <= lower_crit_lim[i] &&
850 response_value[i] >= upper_crit_lim[i]) {
851 result = STATE_CRITICAL;
852 }
853 }
854 else if
855 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
856 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
857 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
858 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
859 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
860 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
861 result = STATE_CRITICAL;
862 }
864 return result;
865 }
868 int
869 lu_getll (unsigned long *ll, char *str)
870 {
871 char tmp[100];
872 if (strchr (str, ':') == NULL)
873 return 0;
874 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
875 return 0;
876 if (sscanf (str, "%lu%[:]", ll, tmp) == 2)
877 return 1;
878 return 0;
879 }
881 int
882 lu_getul (unsigned long *ul, char *str)
883 {
884 char tmp[100];
885 if (sscanf (str, "%lu%[^,]", ul, tmp) == 1)
886 return 1;
887 if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1)
888 return 1;
889 if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1)
890 return 1;
891 return 0;
892 }
899 /* trim leading whitespace
900 if there is a leading quote, make sure it balances */
902 char *
903 thisarg (char *str)
904 {
905 str += strspn (str, " \t\r\n"); /* trim any leading whitespace */
906 if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */
907 if (strlen (str) == 1 || !strstr (str + 1, "'"))
908 terminate (STATE_UNKNOWN, "Unbalanced quotes\n");
909 }
910 return str;
911 }
914 /* if there's a leading quote, advance to the trailing quote
915 set the trailing quote to '\x0'
916 if the string continues, advance beyond the comma */
918 char *
919 nextarg (char *str)
920 {
921 if (strstr (str, "'") == str) {
922 if (strlen (str) > 1) {
923 str = strstr (str + 1, "'");
924 str[0] = 0;
925 return (++str);
926 }
927 else {
928 str[0] = 0;
929 return NULL;
930 }
931 }
932 if (strstr (str, ",") == str) {
933 if (strlen (str) > 1) {
934 str[0] = 0;
935 return (++str);
936 }
937 else {
938 str[0] = 0;
939 return NULL;
940 }
941 }
942 if ((str = strstr (str, ",")) && strlen (str) > 1) {
943 str[0] = 0;
944 return (++str);
945 }
946 return NULL;
947 }